3 papers
astro-ph.EP2025
The size of 3I/ATLAS from non-gravitational acceleration
John C. Forbes, Harvey Butler
The third macroscopic interstellar object detected in the solar system recently passed through perihelion, with the best-fitting models of its trajectory now featuring non-gravitat…
astro-ph.SR2025
Very Large Telescope Observations of Interstellar Comet 3I/ATLAS. II. From Quiescence to Glow: Dramatic Rise of Ni i Emission and Incipient CN Outgassing at Large Heliocentric Distances*
Rohan Rahatgaonkar, Juan Pablo Carvajal, Thomas H. Puzia +25
We report VLT spectroscopy of the interstellar comet 3I/ATLAS (C/2025~N1) from to ~au using X-shooter (300--550\,nm, ) and UVES (opt…
astro-ph.GA2024
On the signature of black holes on the quenched stellar mass function
Antonio J. Porras-Valverde, John C. Forbes
As star-forming galaxies approach or exceed a stellar mass around , they are increasingly likely to be quenched in a process generically called mass quenching. Cen…